GE - General Electric CR123C, CR123F Selection Guide
NEMA Full Voltage Power Devices
Single-Phase, 2-Pole, Size 00-2
Open 1
Single-Phase, 2-Pole, Size 00-2
1, 3R, 4/4X, 12 1
Single-Phase, 2-Pole, Size 3
Open 2
Single-Phase, 2-Pole, Size 6
1, 3R, 4/4X, 12 2
3-Phase, 3-Pole, 3-Leg Protection
standard, size 00-5 Open 3
ambient compensated, size 00, 0, 1, 2 & 5 Open 3
ambient compensated, size 3 Open 3
ambient compensated, size 8 Open
Open
3
3-Phase, 3-Pole, 3-Leg Protection
standard, size 00-5 1, 3R, 4/4X, 12 3
ambient compensated, size 00, 0, 1, 2 & 5 1, 3R, 4/4X, 12 3
ambient compensated, size 3 1, 3R, 4/4X, 12 3
ambient compensated, size 8 1, 3R, 4/4X, 12 3
3-Phase, 3 3-Pole, 3-Leg Protection
standard, size 00-5 Open C
ambient compensated, size 00, 0, 1, 2 & 5 Open C
ambient compensated, size 3 Open D
ambient compensated, size 8 E
3-Phase, 3 3-Pole, 3-Leg Protection
standard, size 00-5 1, 3R, 4/4X, 12 D
ambient compensated, size 00, 0, 1, 2 & 5 1, 3R, 4/4X, 12 C
ambient compensated, size 3 1, 3R, 4/4X, 12 D
ambient compensated, size 8 1, 3R, 4/4X, 12 E
C
C
D
E
A
B
A
B
D
C
D
E
CR324 Panel-Mounted
All NEMA Sizes 6-9 3-Phase, 3-Leg Protection, Standard
CR124 Single-Element, Panel-Mounted
Single-Element, Ambient Compensated,
Standard and Quick Trip
CR309, CR410,
CR411, CR490
CR306
CR306
CR306, CR307,
CR308, CR387,
CR407, CR408, CR487
Heater Table
Column
(Pages 1-154 to 1-155)NEMA Type EnclosureDescription
3-Reverser
6-Two-Speed
3-Reverser
6-Two-Speed
3-Reverser
6-Two-Speed
3-Reverser
6-Two-Speed
3-Reverser
6-Two-Speed
3-Reverser
6-Two-Speed
3-Reverser
6-Two-Speed
3-Reverser
6-Two-Speed
Base Product Number
Starter/Overload Relay
Quantity Heaters
Required
CR309
CR124 See tables, page 1-157
See tables, page 1-157
See tables, page 1-156
See tables, page 1-158
Heater Product Number List Price Each, GO-10H
CR123C (All) $9.00
CR123F (All) $9.00
Heater Rack Product Number List Price Each, GO-10D
CR243X10049 $96.00
NEMA Rated Full Voltage Starters - Magnetic
CR123C, CR123F Motor Starter Heaters
Heater Selection
Section 1
Magnetic Starters—Full Voltage
Heater Selection Information
To prevent overloading the starter do not select heater(s) for a
motor of larger rating than the maximum given on the nameplate
for the starter.
For continuous rated motors, with a service factor of 1.15 to 1.25,
select the heater with maximum motor Amperes equal to or
immediately greater than the motor full-load current (provides a
maximum of 125 percent protection). For continuous rated
motors with no service factor, multiply the full-load current of the
motor by 0.90 and use this value to select the heater.
To protect the heater and starter during a short circuit, provide
motor-branch-circuit protection in accordance with Table 430152 in Article 430 of the National Electrical Code. In no case
should the fuse rating exceed 4 times the motor full-load current
for single-
element
fuses, or 2.25 times for dual-element fuses, or
the fuse size listed in heater table under Maximum Fuse Rating.
Caution: Overload relays, when furnished with automatic reset,
should not be used with two-wire, maintained contact pilot
devices such as pressure, float and limit switches, as inadvertent
restarting of the motor can occur.
How To Select Heaters
The table below should be used to determine which column of
motor full-load Amperes applies for heater selection. Select in
order, the basic device–including product number and description, the NEMA Type of enclosure, and the column to be used in
the proper table by NEMA Size.
If full-load Amperes of the motor falls between two ratings, select
heaters for the higher rating.
Ordering Information
All CR123C and 123F heaters are packaged three to a carton.
Items of these heaters being ordered for either customer’s stock
or any other purpose, are to be specified in multiples of three
(such as 3, 6, 9, 12, 15, etc.). Minimum order quantity is three.
Rev. 4/16
Prices and data subject to
change without notice
Control Catalog
1-153
NEMA Full Voltage Power Devices
Product Number List Price Each, GO-10H
CR123C (All) $9.00
CR123F (All) $9.00
DAB C
0.48 0.46 0.45 0.43 CR123C054A
0.55 0.50 0.49 0.48 CR123C060A
0.57 0.57 0.53 0.53 CR123C066A
0.65 0.62 0.59 0.58 CR123C071A
0.69 0.68 0.65 0.64 CR123C078A
0.83 0.80 0.76 0.74 CR123C087A
0.97 0.91 0.84 0.84 CR123C097A
1.03 0.99 0.93 0.92 CR123C109A
1.12 1.09 1.04 1.02 CR123C118A
1.26 1.22 1.15 1.10 CR123C131A
1.40 1.31 1.27 1.23 CR123C148A
1.46 1.46 1.39 1.38 CR123C163A
1.63 1.59 1.55 1.49 CR123C184A
1.79 1.74 1.73 1.67 CR123C196A
1.97 1.93 1.89 1.79 CR123C220A
2.25 2.13 2.05 1.98 CR123C239A
2.43 2.37 2.28 2.24 CR123C268A
2.60 2.52 2.47 2.43 CR123C301A
2.96 2.87 2.79 2.75 CR123C326A
3.57 3.39 3.31 3.25 CR123C356A
3.86 3.59 3.70 3.43 CR123C379A
4.43 4.31 4.06 4.03 CR123C419A
4.87 4.57 4.47 4.43 CR123C466A
5.37 5.31 4.95 4.94 CR123C526A
5.99 5.86 5.49 5.36 CR123C592A
6.39 6.19 5.91 5.77 CR123C630A
6.87 6.61 6.47 6.35 CR123C695A
7.71 7.61 7.20 6.92 CR123C778A
8.72 8.46 8.22 7.99 CR123C867A
9.50 9.35 8.72 8.47 CR123C955A
10.5 10.4 9.67 9.19 CR123C104B
11.7 11.3 10.4 10.0 CR123C113B
12.2 11.9 11.0 10.7 CR123C125B
13.5 13.0 12.4 12.0 CR123C137B
15.1 14.5 13.2 12.9 CR123C151B
17.5 17.4 15.4 15.1 CR123C163B
18.9 18.6 17.1 16.3 CR123C180B
20.8 20.5 18.1 17.9 CR123C198B
22.4 22.3 20.0 19.7 CR123C214B
25.5 24.7 21.5 21.2 CR123C228B
26.2 25.7 22.5 22.3 CR123C250B
27.0 27.0 23.9 23.5 CR123C273B
26.3 25.5 CR123C303B
27.0 27.0 CR123C330B
Maximum Motor Full-Load Amperes
Heater Product Number
——
——
14.2 14.2 CR123C151B
17.3 17.3 CR123C163B
18.7 18.7 CR123C180B
20.6 20.6 CR123C198B
22.5 22.5 CR123C214B
24.7 24.7 CR123C228B
25.5 25.5 CR123C250B
26.7 26.7 CR123C273B
27.9 27.9 CR123C303B
32.1 32.1 CR123C330B
36.0 36.0 CR123C366B
Maximum Motor Full-Load Amperes
Heater Product Number
BA
5.92 5.79 CR123C592A
6.23 6.12 5.85 5.72 CR123C630A
6.63 6.49 6.47 6.30 CR123C695A
7.72 7.59 7.35 7.04 CR123C778A
8.96 8.71 8.06 7.91 CR123C867A
9.92 9.19 9.03 8.80 CR123C955A
10.4 10.1 9.61 9.27 CR123C104B
11.7 11.2 10.5 9.99 CR123C113B
12.1 11.9 11.6 11.1 CR123C125B
13.5 12.6 12.5 12.1 CR123C137B
14.7 14.5 13.6 13.1 CR123C151B
18.3 17.7 16.7 15.5 CR123C163B
20.1 19.1 17.9 16.8 CR123C180B
22.3 21.4 18.7 18.0 CR123C198B
25.0 22.9 20.4 19.7 CR123C214B
27.7 24.7 22.7 21.6 CR123C228B
29.3 25.9 24.7 23.9 CR123C250B
30.7 27.1 26.3 25.5 CR123C273B
32.7 30.2 29.5 28.2 CR123C303B
35.6 34.8 32.5 31.6 CR123C330B
39.4 38.7 36.7 34.7 CR123C366B
45.0 45.0 41.9 37.8 CR123C400B
43.2 40.6 CR123C440B
45.0 45.0 CR123C460B
Maximum Motor Full-Load Amperes
Heater Product Number
—
——
——
—
AB C D
NEMA Rated Full Voltage Starters - Magnetic
CR123C, CR123F Motor Starter Heaters
Heater Selection
All CR123C and 123F heaters are packaged three to a carton.
Items of these heaters, being ordered for either customer’s stock
or any other purpose, are to be specified in multiples of three
(such as 3, 6, 9, 12, 15, etc.). Minimum order quantity is three.
Section 1
NEMA Sizes 00, 0 and 1
1-154
Product Number Selection Instructions: See page 1-153
Control Catalog
NEMA Size 1P
NEMA Size 2
Rev. 4/16
Prices and data subject to
change without notice
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